Ostend weather by month & the best time to visit
Belgium · seaside town · oceanic / maritime climate
The best time to visit Ostend is June — its sunniest month (Sunshine Score 78/100), with July and August close behind. Ostend averages about 1,769 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 62 mm of rain in June.
When is the best time to visit Ostend?
For sunshine, the best time to visit Ostend is June, then July and August. The dullest month is January (0/100, 67 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ostend?
Ostend isn't a sunny place by world standards: about 1,769 hours of sunshine a year. 78 Sunshine Score points separate June (78) from January (0), so the month you pick matters. Ostend is the sunniest of the 4 destinations tracked in Belgium. The year's 778 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 6° / 43°F | 1° / 34°F | 67 mm | 0 | 7° / 45°F |
| February | 0 | 7° / 45°F | 1° / 34°F | 59 mm | 1 | 7° / 45°F |
| March | 13 | 10° / 50°F | 2° / 36°F | 54 mm | 2 | 8° / 46°F |
| April | 41 | 14° / 57°F | 5° / 41°F | 39 mm | 3 | 11° / 52°F |
| May | 65 | 18° / 64°F | 8° / 46°F | 58 mm | 5 | 14° / 57°F |
| June | 78 | 21° / 70°F | 11° / 52°F | 62 mm | 5 | 18° / 64°F |
| July | 75 | 22° / 72°F | 14° / 57°F | 74 mm | 5 | 20° / 68°F |
| August | 74 | 22° / 72°F | 13° / 55°F | 80 mm | 5 | 21° / 70°F |
| September | 72 | 19° / 66°F | 11° / 52°F | 58 mm | 3 | 19° / 66°F |
| October | 44 | 15° / 59°F | 8° / 46°F | 71 mm | 2 | 15° / 59°F |
| November | 12 | 10° / 50°F | 5° / 41°F | 77 mm | 1 | 11° / 52°F |
| December | 0 | 7° / 45°F | 2° / 36°F | 79 mm | 0 | 8° / 46°F |
Sea temperature in Ostend by month
The sea off Ostend is warmest in August at around 21°C / 70°F, and coolest in January at 7°C / 45°F. The water sits at a comfortable 21°C or warmer roughly 1 month a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Ostend compares month by month: Ostend vs Paris (Roissy-en-France, Val-d'Oise) · Ostend vs London · Ostend vs Brussels · Ostend vs Lille · all comparisons
Ostend: questions and answers
What kind of destination is Ostend?
Ostend is a seaside town in Belgium with a oceanic / maritime climate — the sea reaches 21°C at its warmest and is swimmable (21°C+) about 1 months a year.
How many hours of sunshine does Ostend get a year?
Ostend gets about 1,769 hours of sunshine a year, at its best around June.
When is the best time to visit Ostend?
The sunniest time to visit Ostend is June, when the Sunshine Score peaks at 78/100 (with July and August close behind). Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Ostend?
January is the least sunny month in Ostend, scoring 0/100 with about 67 mm of rain.
Is Ostend the sunniest place in Belgium?
Yes — with about 1,769 hours of sunshine a year, Ostend has the most annual sunshine of the 4 Belgium destinations tracked by Sunshine Atlas.
What is the sea temperature in Ostend?
The sea in Ostend ranges from about 7°C (January) to 21°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Ostend?
The typical midday UV index in Ostend peaks around 5 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Ostend sunshine badge on your site
A compact badge showing Ostend's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: